Double-electric-control upper cover for sealing and noise prevention of electric control system of automobile motor

The invention relates to the technical field of noise prevention of double-electric-control upper covers of automobile motor electric control systems, in particular to a double-electric-control upper cover for sealing and noise prevention of an automobile motor electric control system, which comprises a mounting plate and a rotary sealing type structure, and is characterized in that a sound insulation structure is arranged in front of the mounting plate and comprises an upper cover; a buckle is fixedly connected to the inner wall of the upper cover, a limiting rod is clamped in the buckle, an elastic steel mesh is fixedly connected to one side of the limiting rod, a pricking needle is arranged at the front end of the elastic steel mesh, a sound insulation felt is attached to the front end of the pricking needle and attached to the upper cover, and an external expansion type upper cover structure is arranged behind the upper cover. The external expansion type upper cover structure comprises a sleeve frame, noi